int route_configure(Route *route, Link *link,
sd_rtnl_message_handler_t callback) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
int r;
assert(link);
assert(link->manager);
assert(link->manager->rtnl);
assert(link->ifindex > 0);
assert(route->family == AF_INET || route->family == AF_INET6);
r = sd_rtnl_message_new_route(link->manager->rtnl, RTM_NEWROUTE,
route->family, &req);
if (r < 0) {
log_error("Could not create RTM_NEWROUTE message: %s", strerror(-r));
return r;
}
if (route->family == AF_INET)
r = sd_rtnl_message_append_in_addr(req, RTA_GATEWAY, &route->in_addr.in);
else if (route->family == AF_INET6)
r = sd_rtnl_message_append_in6_addr(req, RTA_GATEWAY, &route->in_addr.in6);
if (r < 0) {
log_error("Could not append RTA_GATEWAY attribute: %s", strerror(-r));
return r;
}
if (route->dst_prefixlen) {
if (route->family == AF_INET)
r = sd_rtnl_message_append_in_addr(req, RTA_DST, &route->dst_addr.in);
else if (route->family == AF_INET6)
r = sd_rtnl_message_append_in6_addr(req, RTA_DST, &route->dst_addr.in6);
if (r < 0) {
log_error("Could not append RTA_DST attribute: %s", strerror(-r));
return r;
}
r = sd_rtnl_message_route_set_dst_prefixlen(req, route->dst_prefixlen);
if (r < 0) {
log_error("Could not set destination prefix length: %s", strerror(-r));
return r;
}
}
r = sd_rtnl_message_append_u32(req, RTA_OIF, link->ifindex);
if (r < 0) {
log_error("Could not append RTA_OIF attribute: %s", strerror(-r));
return r;
}
r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
if (r < 0) {
log_error("Could not send rtnetlink message: %s", strerror(-r));
return r;
}
return 0;
}
static int netdev_ip6gre_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
Tunnel *t;
int r;
assert(netdev);
if (netdev->kind == NETDEV_KIND_IP6GRE)
t = IP6GRE(netdev);
else
t = IP6GRETAP(netdev);
assert(t);
assert(t->family == AF_INET6);
assert(link);
assert(m);
r = sd_rtnl_message_append_u32(m, IFLA_GRE_LINK, link->ifindex);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_GRE_LINK attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_in6_addr(m, IFLA_GRE_LOCAL, &t->local.in6);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_GRE_LOCAL attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_in6_addr(m, IFLA_GRE_REMOTE, &t->remote.in6);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_GRE_REMOTE attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u8(m, IFLA_GRE_TTL, t->ttl);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_GRE_TTL attribute: %s",
strerror(-r));
return r;
}
return r;
}
int address_update(Address *address, Link *link,
sd_rtnl_message_handler_t callback) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
int r;
assert(address);
assert(address->family == AF_INET || address->family == AF_INET6);
assert(link->ifindex > 0);
assert(link->manager);
assert(link->manager->rtnl);
r = sd_rtnl_message_new_addr_update(link->manager->rtnl, &req,
link->ifindex, address->family);
if (r < 0)
return log_error_errno(r, "Could not allocate RTM_NEWADDR message: %m");
r = sd_rtnl_message_addr_set_prefixlen(req, address->prefixlen);
if (r < 0)
return log_error_errno(r, "Could not set prefixlen: %m");
r = sd_rtnl_message_addr_set_flags(req, IFA_F_PERMANENT);
if (r < 0)
return log_error_errno(r, "Could not set flags: %m");
r = sd_rtnl_message_addr_set_scope(req, address->scope);
if (r < 0)
return log_error_errno(r, "Could not set scope: %m");
if (address->family == AF_INET)
r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in);
else if (address->family == AF_INET6)
r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6);
if (r < 0)
return log_error_errno(r, "Could not append IFA_LOCAL attribute: %m");
if (address->family == AF_INET) {
r = sd_rtnl_message_append_in_addr(req, IFA_BROADCAST, &address->broadcast);
if (r < 0)
return log_error_errno(r, "Could not append IFA_BROADCAST attribute: %m");
}
if (address->label) {
r = sd_rtnl_message_append_string(req, IFA_LABEL, address->label);
if (r < 0)
return log_error_errno(r, "Could not append IFA_LABEL attribute: %m");
}
r = sd_rtnl_message_append_cache_info(req, IFA_CACHEINFO, &address->cinfo);
if (r < 0)
return log_error_errno(r, "Could not append IFA_CACHEINFO attribute: %m");
r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
if (r < 0)
return log_error_errno(r, "Could not send rtnetlink message: %m");
link_ref(link);
return 0;
}
int address_drop(Address *address, Link *link,
sd_rtnl_message_handler_t callback) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
int r;
assert(address);
assert(address->family == AF_INET || address->family == AF_INET6);
assert(link);
assert(link->ifindex > 0);
assert(link->manager);
assert(link->manager->rtnl);
r = sd_rtnl_message_new_addr(link->manager->rtnl, &req, RTM_DELADDR,
link->ifindex, address->family);
if (r < 0) {
log_error("Could not allocate RTM_DELADDR message: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_addr_set_prefixlen(req, address->prefixlen);
if (r < 0) {
log_error("Could not set prefixlen: %s", strerror(-r));
return r;
}
if (address->family == AF_INET)
r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in);
else if (address->family == AF_INET6)
r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6);
if (r < 0) {
log_error("Could not append IFA_LOCAL attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
if (r < 0) {
log_error("Could not send rtnetlink message: %s", strerror(-r));
return r;
}
return 0;
}
int address_configure(Address *address, Link *link,
sd_rtnl_message_handler_t callback) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
int r;
assert(address);
assert(address->family == AF_INET || address->family == AF_INET6);
assert(link);
assert(link->ifindex > 0);
assert(link->manager);
assert(link->manager->rtnl);
r = sd_rtnl_message_new_addr(RTM_NEWADDR, link->ifindex,
address->family, &req);
if (r < 0) {
log_error("Could not allocate RTM_NEWADDR message: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_addr_set_prefixlen(req, address->prefixlen);
if (r < 0) {
log_error("Could not set prefixlen: %s", strerror(-r));
return r;
}
r = sd_rtnl_message_addr_set_flags(req, IFA_F_PERMANENT);
if (r < 0) {
log_error("Could not set flags: %s", strerror(-r));
return r;
}
r = sd_rtnl_message_addr_set_scope(req, RT_SCOPE_UNIVERSE);
if (r < 0) {
log_error("Could not set scope: %s", strerror(-r));
return r;
}
if (address->family == AF_INET)
r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in);
else if (address->family == AF_INET6)
r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6);
if (r < 0) {
log_error("Could not append IFA_LOCAL attribute: %s",
strerror(-r));
return r;
}
if (address->family == AF_INET) {
r = sd_rtnl_message_append_in_addr(req, IFA_BROADCAST, &address->broadcast);
if (r < 0) {
log_error("Could not append IFA_BROADCAST attribute: %s",
strerror(-r));
return r;
}
}
if (address->label) {
r = sd_rtnl_message_append_string(req, IFA_LABEL, address->label);
if (r < 0) {
log_error("Could not append IFA_LABEL attribute: %s",
strerror(-r));
return r;
}
}
r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
if (r < 0) {
log_error("Could not send rtnetlink message: %s", strerror(-r));
return r;
}
return 0;
}
static int netdev_ip6tnl_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
Tunnel *t = IP6TNL(netdev);
uint8_t proto;
int r;
assert(netdev);
assert(link);
assert(m);
assert(t);
assert(t->family == AF_INET6);
r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_IPTUN_LINK attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_in6_addr(m, IFLA_IPTUN_LOCAL, &t->local.in6);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_IPTUN_LOCAL attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_in6_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in6);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_IPTUN_REMOTE attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_IPTUN_TTL attribute: %s",
strerror(-r));
return r;
}
switch (t->ip6tnl_mode) {
case NETDEV_IP6_TNL_MODE_IP6IP6:
proto = IPPROTO_IPV6;
break;
case NETDEV_IP6_TNL_MODE_IPIP6:
proto = IPPROTO_IPIP;
break;
case NETDEV_IP6_TNL_MODE_ANYIP6:
default:
proto = 0;
break;
}
r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_PROTO, proto);
if (r < 0) {
log_netdev_error(netdev,
"Could not append IFLA_IPTUN_MODE attribute: %s",
strerror(-r));
return r;
}
return r;
}
